On 21/04/2011 07:15, Xiaofan Chen wrote: > Anyway, the following is the exactly what you want. I am not > familiar with VHDL/Verilog/CPLD/FPGA stuff but I can at least > understand what the turtorial is trying to do. > http://www.digilentinc.com/Data/Documents/Tutorials/Xilinx%20ISE%20WebPAC= K%20Verilog%20Tutorial.pdf That looks pretty good at a glance. I would probably start working through that, looks quite nicely laid out=20 and not too long/complex. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .